At its January 24 meeting, the TTC Board received a report and presentation on maintenance work and closures planned for the subway and streetcar system in 2024, plus a preview of 2025.

The report has long tables of events organized by date, but to make things a tad easier to find, I have grouped items by affected area in this article.

Subway closures come in various flavours with the most disruptive being full weekend for major work such as replacement of turnouts (switches and frogs) at junctions such as centre track entrances/exits and leads to yards, or renovation works that cannot be completed in an overnight shift. Other works only require early closing of a line to allow for a longer work shift.

All dates shown below are subject to change, but the schedule gives a sense of the timing and amount of work. (SSE) and (OL) refer to works for the Scarborough extension and Ontario Line respectively.

There are no projects planned on Line 4 Sheppard.

Riders may have thought that the end of the Line 1 Automatic Train Control (ATC) project and the near completion of Line 5 Crosstown might have brought a reduction in subway closures. However, a large amount of track and structural repair in 2024 consumes much of the calendar. This is particularly true for the Spadina branch of Line 1, and the east end of Line 2 which is also affected by both the Ontario Line and the Scarborough Subway Extension.

On the streetcar system, riders in Parkdale will face changes to 504 King, 501 Queen and 63 Ossington for most of the year while water main and track repairs occur on King from Shaw to west of Dufferin. In the east, there will be work for the Ontario Line that will close Queen Street for brief periods. There are many projects for overhead reconstruction as the pantograph conversion progresses from an interim to a final state, but the TTC has not revealed which of these will trigger diversions, and which can be handled under service with off-hours work. Construction of the 501 Queen Ontario Line diversion downtown is planned at a glacial pace extending to Labour Day.

No diversions/substitutions have been announced for any of the streetcar projects.

Continue reading →